Add gamepad-pmod

info.yaml

@@ -17,12 +17,20 @@ project:
   # Source files must be in ./src and you must list each source file separately, one per line.
   # Don't forget to also update `PROJECT_SOURCES` in test/Makefile.
   source_files:
+    - "audio_interface.v"
+    - "bg_line.v"
+    - "bg_object.v"
+    - "bg_object_rom.v"
+    - "bg_render.v"
     - "debounce.v"
     - "dino_game_top.v"
     - "dino_render.v"
     - "dino_rom.v"
+    - "gamepad_pmod.v"
+    - "game_over_sound_player.v"
     - "graphics_top.v"
     - "hvsync_generator.v"
+    - "jump_sound_player.v"
     - "lfsr.v"
     - "obs_render.v"
     - "obs_rom.v"
@@ -31,13 +39,6 @@ project:
     - "player_physics.v"
     - "score.v"
     - "score_render.v"
-    - "audio_interface.v"
-    - "jump_sound_player.v"
-    - "game_over_sound_player.v"
-    - "bg_object.v"
-    - "bg_object_rom.v"
-    - "bg_render.v"
-    - "bg_line.v"
 
 
 # The pinout of your project. Leave unused pins blank. DO NOT delete or add any pins.

src/dino_game_top.v

@@ -19,24 +19,48 @@ module tt_um_uwasic_dinogame #(parameter CONV = 2) (
     wire       game_tick_60hz;
     wire [1:0] game_tick_20hz; // two consecutive pulses generated ([0] and then [1]), enabling pipelining
 
-    wire debounce_countdown_en; // pulse on rising edge of 5th vpos bit
-    wire button_up; 
-    wire button_down; 
+    // Gamepad Pmod support
+    wire gamepad_pmod_latch = ui_in[4];
+    wire gamepad_pmod_clk = ui_in[5];
+    wire gamepad_pmod_data = ui_in[6];
+    wire gamepad_is_present;  // HIGH when gamepad is connected
+    wire gamepad_up;
+    wire gamepad_down;
+    wire gamepad_start;   // Can leverage start, select from SNES
+    wire gamepad_b;
+    wire gamepad_y;
+    wire gamepad_select;
+    wire gamepad_left;
+    wire gamepad_right;
+    wire gamepad_a;
+    wire gamepad_x;
+    wire gamepad_l;
+    wire gamepad_r;
 
-    button_debounce button_up_debounce (
+    // Synchronizes pmod_data, pmod_clk, pmod_latch signals to system clock
+    // domain.
+    gamepad_pmod_single gamepad_pmod (
+        // Inputs:
         .clk(clk),
         .rst_n(rst_n),
-        .countdown_en(debounce_countdown_en),
-        .button_in(ui_in[0]),
-        .button_out(button_up)
-    );
-
-    button_debounce button_down_debounce (
-      .clk(clk),
-      .rst_n(rst_n),
-      .countdown_en(debounce_countdown_en),
-      .button_in(ui_in[1]),
-      .button_out(button_down)
+        .pmod_latch(gamepad_pmod_latch),
+        .pmod_clk(gamepad_pmod_clk),
+        .pmod_data(gamepad_pmod_data),
+
+        // Outputs:
+        .is_present(gamepad_is_present),
+        .up(gamepad_up),
+        .down(gamepad_down),
+        .start(gamepad_start),
+        .b(gamepad_b),
+        .y(gamepad_y),
+        .select(gamepad_select),
+        .left(gamepad_left),
+        .right(gamepad_right),
+        .a(gamepad_a),
+        .x(gamepad_x),
+        .l(gamepad_l),
+        .r(gamepad_r)
     );
 
     // GAME STATE SIGNALS
@@ -67,9 +91,9 @@ module tt_um_uwasic_dinogame #(parameter CONV = 2) (
         .clk(clk),
         .rst_n(rst_n),
         .game_tick(game_tick_20hz),
-        .button_start(button_up),
-        .button_up(button_up),
-        .button_down(button_down),
+        .button_start(gamepad_start),
+        .button_up(gamepad_up),
+        .button_down(gamepad_down),
         .crash(crash),
         .player_position(player_position),
         .game_frozen(game_frozen),
@@ -133,7 +157,7 @@ module tt_um_uwasic_dinogame #(parameter CONV = 2) (
     obs_rom obs_rom_inst_2 (.clk(clk), .rst(~rst_n), .i_rom_counter(obs_rom_counter_2), .i_obs_type(obstacle2_type), .o_sprite_color(obs_color_2));
     bg_object_rom bg_object_rom_inst (.clk(clk), .rst(~rst_n), .i_rom_counter(bg_objects_rom_counter), .o_sprite_color(bg_object_color));
     wire [15:0] score;
-
+  
     score_render #(.CONV(CONV), .OFFSET(120)) score_inst_1 (
         .clk(clk),
         .rst(~rst_n),
@@ -142,7 +166,7 @@ module tt_um_uwasic_dinogame #(parameter CONV = 2) (
         .i_vpos(vpos),
         .o_score_color(score_color_1)
     );
-
+  
     score_render #(.CONV(CONV), .OFFSET(110)) score_inst_2 (
         .clk(clk),
         .rst(~rst_n),
@@ -234,7 +258,6 @@ module tt_um_uwasic_dinogame #(parameter CONV = 2) (
         .o_game_tick_60hz(game_tick_60hz),
         .o_game_tick_20hz(game_tick_20hz[0]),
         .o_game_tick_20hz_r(game_tick_20hz[1]),
-        .o_vpos_5_r(debounce_countdown_en),
         .o_collision(crash)
     );
 
@@ -263,6 +286,6 @@ module tt_um_uwasic_dinogame #(parameter CONV = 2) (
     assign uio_oe  = 8'b10000000;
 
     // List all unused inputs to prevent warnings
-    wire _unused = &{ena, ui_in[7:2], uio_in, 1'b0};
+ wire _unused = &{ena, ui_in[7], ui_in[3:0], uio_in, gamepad_start, gamepad_b, gamepad_y, gamepad_select, gamepad_left, gamepad_right, gamepad_a, gamepad_x, gamepad_l, gamepad_r, gamepad_is_present, 1'b0};
 
 endmodule